<template>
<div>
    <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片区域 -->
        <el-card class="box-card">
            <!-- 搜索框 -->
        <el-row :gutter="20">
            <el-col :span="7">
                <!-- 文本输入框 -->
                  <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                    <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
            </el-col>
        </el-row>
        <!-- 用户列表区域 -->
        <el-table :data="userlist" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="姓名" prop="username"></el-table-column>
            <el-table-column label="邮箱" prop="email"></el-table-column>
            <el-table-column label="电话" prop="mobile"></el-table-column>
            <el-table-column label="角色" prop="role_name"></el-table-column>
            <el-table-column label="状态">
                <template slot-scope="scope">
                    <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
                    </el-switch>
                </template>
            </el-table-column>
            <el-table-column label="操作" width="180px">
                <template slot-scope = "scope">
                    <!-- 修改按钮 -->
                    <el-button type="primary" icon="el-icon-edit"  v-model="scope.row.mg_state" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                    <!-- 删除按钮 -->
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
                    <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable="false">
                        <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                    </el-tooltip>
                </template>
            </el-table-column>
        </el-table>
        <!-- 分页区域 -->
        <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper"  :total="total">
        </el-pagination>
        </el-card>
        <!-- 添加用户对话框 -->
        <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed"> 
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" >
            <el-form-item label="用户名" prop="username">
                <el-input v-model="addForm.username"></el-input>
            </el-form-item>
            <el-form-item label="密码" prop="password">
                <el-input v-model="addForm.password"></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="addForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
                <el-input v-model="addForm.mobile"></el-input>
            </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
            <el-button @click="addDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
        </el-dialog>
        <!-- 修改用户对话框 -->
        <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
            <el-form-item label="用户名" >
                <el-input v-model="editForm.username" disabled></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="editForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机号" prop="mobile" >
                <el-input v-model="editForm.mobile"></el-input>
            </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 分配角色对话框 -->
        <el-dialog title="分配角色" :visible.sync="SetRoleDialogVisible" width="50%" @close="SetRoleDialogClosed">
        <div>
            <p>当前用户 :{{userInfo.username}}</p>
            <p>当前角色:{{userInfo.role_name}}</p>
            <P>分配新角色
                <el-select v-model="selectedRoleId" placeholder="请选择">
                    <el-option
                    v-for="item in rolesList"
                    :key="item.id"
                    :label="item.roleName"
                    :value="item.id">
                    </el-option>
                </el-select>
            </P>
        </div>
        <span slot="footer" class="dialog-footer">
            <el-button @click="SetRoleDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        </span>
        </el-dialog>
    </div>
</template>

<script>
export default {
    data(){
        //验证邮箱
        var checkEmail = (rule,value,cb)=>{
            //验证邮箱的正则表达式
            const regEmail =/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+/

            if(regEmail.test(value)){
                return cb()
            }
            cb (new Error('请输入合法邮箱地址！'))
        }
        //验证手机
        var checkMobile = (rule,value,cb)=>{
            //验证手机号的正则表达式
            const regMobile = /^0?(13[0-9]|15[012356789]|17[013678]|18[0-9]|14[57])[0-9]{8}$/
            if(regMobile.test(value)){
                return cb()
            }
            cb(new Error('请输入合法的手机号'))

        }
        return{
            queryInfo : {
                query :'',
                pagenum : 1,
                pagesize :2
            },
            userlist : [],
            total : 0,
            addDialogVisible :false,
            addForm : {
                username : '',
                password : '',
                email : '',
                mobile : ''
            },
            addFormRules : {
                username : [
                    {required : true, message : '请输入用户名',trigger : 'blur' },
                    {min:3,max:10,message :"用户名长度在3到10个字符之间",trigger : 'blur'}
                ],
                password : [
                     {required : true, message : '请输入密码',trigger : 'blur' },
                    {min:6,max:15,message :"用户名长度在6到15个字符之间",trigger : 'blur'}
                ],
                email : [
                    {required : true, message : '请输入邮箱',trigger : 'blur' },
                    {validator : checkEmail,trigger :'blur'}

                ],
                mobile : [
                    {required : true, message : '请输入手机',trigger : 'blur' },
                    {validator : checkMobile,trigger :'blur'}

                ]

            },
            editDialogVisible : false ,
            editForm : {},
            editFormRules :{
                email : [
                    {required:true,message :'请输入用户邮箱',trigger : 'blur'},
                    {validator: checkEmail,trigger :'blur'}
                ],
                mobile: [
                    {required:true,message :'请输入用户手机号',trigger : 'blur'},
                    {validator: checkMobile,trigger :'blur'}
                ]
            },
            SetRoleDialogVisible :false,
            userInfo : {},
            rolesList :[],
            selectedRoleId : '',
        }
        
    },
    created() {
        this.getUserList()
        },
    methods : {
       async getUserList(){
          const{data : res}  = await this.$http.get('users',{params : this.queryInfo})
          if(res.meta.status !== 200){ return this.$message.error('获取用户列表失败！')
          }
          this.userlist = res.data.users
          this.total  =res.data.total
          console.log(res)
        },
        handleSizeChange(newSize){
            console.log(newSize)
            this.queryInfo.pagesize = newSize
            this.getUserList()

        },
        handleCurrentChange(newPage){
            console.log(newPage)
            this.queryInfo.pagenum = newPage
            this.getUserList()
        },
        async userStateChanged(userinfo){
            console.log(userinfo)
           const{data : res} =  await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
           if(res.meta.status !== 200){
               userinfo.mg_state = !userinfo.mg_state
               return this.$message.error('更新用户状态失败！')
           }
           this.$message.success('更新用户状态成功！')
        },
        addDialogClosed(){
            this.$refs.addFormRef.resetFields()
        },
        addUser(){
            this.$refs.addFormRef.validate(async valid => {
                if (!valid) return
               const{data : res} =  await this.$http.post('users',this.addForm)
               if(res.meta.status !== 201){
                   this.$message.error('添加用户失败！')
               }
               this.$message.success('添加用户成功!')
               this.addDialogVisible = false
               this.getUserList()
            })
        },
        // 展示编辑用户的对话框
        async  showEditDialog(id){
          const{data:res} =  await this.$http.get('users/' + id)
          if(res.meta.status !== 200){
              return this.$message.error('查询用户信息失败')
          }
          this.editForm = res.data
           this.editDialogVisible = true 
        },
        editDialogClosed(){
            this.$refs.editFormRef.resetFields()
        },
        editUserInfo(){
            this.$refs.editFormRef.validate(async valid=>{
                console.log(valid)
                if(!valid) return
              const{data:res} =  await this.$http.put("users/" + this.editForm.id,{
                    email:this.editForm.email,mobile:this.editForm.mobile
                })
                if(res.meta.status !== 200) {
                    return this.$message.error('更新用户信息失败')
                }
                this.editDialogVisible = false
                this.getUserList()
                this.$message.success('更新用户信息成功')
            })
        },
        async removeUserById(id){
          const confirmResult =  await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
        ).catch(err=>err)
        if(confirmResult !== 'confirm'){
            return this.$message.info('已取消删除')
        }
        const{data :res} = await this.$http.delete('users/' + id)
        if(res.meta.status !== 200){
            return this.$message.error('删除用户失败！')
        }
        this.$message.success('删除成功！')
        this.getUserList()
        },
        async setRole(userInfo){
            this.userInfo = userInfo
           const{data :res} =  await this.$http.get('roles')
           if(res.meta.status !== 200){
               return this.$message.error('获取角色列表失败')
           }

           this.rolesList = res.data
            this.SetRoleDialogVisible = true
        },
        async saveRoleInfo(){
            if(!this.selectedRoleId){
                return this.$message.error('请选择要分配的新角色！') 
            }
           const{data : res}  = await this.$http.put(`users/${this.userInfo.id}/role`,
            {rid : this.selectedRoleId})

            if(res.meta.status !== 200){
                return this.$message.error('更新用户角色失败！')
            }
            this.$message.success('更新用户信息成功！')
            this.getUserList()
            this.SetRoleDialogVisible = false
        },
        SetRoleDialogClosed(){
            this.selectedRoleId =''
            this.userInfo = {}
        }

    }
}
</script>

<style lang="less" scoped>

</style>

